Create FUNCTION [dbo].[SplitToTable] ( @SplitString nvarchar(max), @Separator nvarchar(10)=‘ ‘ ) RETURNS @SplitStringsTable TABLE ( [id] int identity(1,1), [value] nvarchar(max) ) AS BEGIN DECLARE @CurrentIndex int; DECLARE @NextIndex int; DECLARE @ReturnText nvarchar(max); SELECT @CurrentIndex=1; WHILE(@CurrentIndex<=len(@SplitString)) BEGIN SELECT @NextIndex=charindex(@Separator,@SplitString,@CurrentIndex); IF(@NextIndex=0 OR @NextIndex IS NULL) SELECT @NextIndex=len(@SplitString)+1; SELECT @ReturnText=substring(@SplitString,@CurrentIndex,@NextIndex-@CurrentIndex); INSERT INTO @SplitStringsTable([value]) VALUES(@ReturnText); SELECT @CurrentIndex=@NextIndex+1; END RETURN; END
使用
declare @TR NVARCHAR(50)
declare @TRS NVARCHAR(1000)
SET @TRS=‘123,456,789‘
set @TR=(select top 1 VALUE from dbo.SplitToTable(@TRS,‘,‘) order by NEWID()) --最外面一定要加括号
PRINT(@TR)